BOUCHARD, of France, has shown that the changes which often take place in the stomach and intestines when in a state of indigestion, resulting in fermentation and putrefaction, give rise to poisonous substances which, when absorbed into the body, may produce effects similar to those produced by strychnia, opium, alcohol, and other well-known drugs. When food is retained in the stomach beyond the normal time either because of its indigestibility, the taking of too large a quantity of it, or a crippled state of the stomach, these changes are certain to take place. This fact explains a very large share of the myriad symptoms which afflict the chronic dyspeptic. The giddiness, the tingling sensations, the confusion of thought, and even partial insensibility, which are not infrequently observed a few hours after meals in chronic dyspeptics, are due to this cause. Here is the explanation of the despondency, and various other forms of mental perversity, and even moral depravity. The total depravity which we often hear talked about is, half the time at least, nothing more nor less than total indigestion.—Australasian Good Health.